@Override
public void writeOutput(VisualizerInput input, OutputStream outstream) {
this.input = input;
AnnisResult result = input.getResult();
List<AbstractImageGraphicsItem> layouts = new LinkedList<AbstractImageGraphicsItem>();
double width = 0;
double maxheight = 0;
for (DirectedGraph<AnnisNode, Edge> g : graphtools.getSyntaxGraphs(input)) {
if (g.getEdgeCount() > 0 && g.getVertexCount() > 0) {
ConstituentLayouter<AbstractImageGraphicsItem> cl =
new ConstituentLayouter<AbstractImageGraphicsItem>(g, backend, labeler, styler, input);
AbstractImageGraphicsItem item =
cl.createLayout(
new LayoutOptions(
VerticalOrientation.TOP_ROOT,
AnnisGraphTools.detectLayoutDirection(result.getGraph())));
Rectangle2D treeSize = item.getBounds();
maxheight = Math.max(maxheight, treeSize.getHeight());
width += treeSize.getWidth();
layouts.add(item);
}
}
BufferedImage image =
new BufferedImage(
(int) (width + (layouts.size() - 1) * TREE_DISTANCE + 2 * SIDE_MARGIN),
(int) (maxheight + 2 * TOP_MARGIN),
BufferedImage.TYPE_INT_ARGB);
Graphics2D canvas = createCanvas(image);
double xOffset = SIDE_MARGIN;
for (AbstractImageGraphicsItem item : layouts) {
AffineTransform t = canvas.getTransform();
Rectangle2D bounds = item.getBounds();
canvas.translate(xOffset, TOP_MARGIN + maxheight - bounds.getHeight());
renderTree(item, canvas);
xOffset += bounds.getWidth() + TREE_DISTANCE;
canvas.setTransform(t);
}
try {
ImageIO.write(image, "png", outstream);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private void renderTree(AbstractImageGraphicsItem item, Graphics2D canvas) {
List<AbstractImageGraphicsItem> allItems = new ArrayList<AbstractImageGraphicsItem>();
item.getAllChildren(allItems);
Collections.sort(
allItems,
new Comparator<AbstractImageGraphicsItem>() {
@Override
public int compare(AbstractImageGraphicsItem o1, AbstractImageGraphicsItem o2) {
return o1.getZValue() - o2.getZValue();
}
});
for (AbstractImageGraphicsItem c : allItems) {
c.draw(canvas);
}
}